Pour container



M 24, 1951 M. c. FALK 2,561,568

POUR CONTAINER Filed Feb. 15. 1949 2 Sheets-$heet 1 ATTORNEY-5.

July 24, 1251- M. c. FALK 2,561,568

POUR CONTAINER Filed Feb. 15, 1949 2 Sheets-Sheet 2 Imm' arflmfl gdATTORNZY'YS. M

Patented July 24, 1951 UNITED STATES PATENT orrice 2,561,568 POURCONTAINER Marian (LFalk, Boise, Idaho Application l ebruary 15,1949,Serial N o. 76,522

2 Claims. (01. 22917) This invention relates to a pour containenlandmore particularly, to a non-drip pour container and to a type ofcontainer which may be shipped or transported in stacked relation withsimilar sealed containers carrying fluid contents such as liquids,cereal, or other particulate materials that flow. The invention isparticularly useful in connection with thepackaging of milk; cream andother liquid.

An object of the invention is to provide a container so arranged as toprovide a tight seaifor the transportation of liquids or particulateflowing materials, while being readily opened to provide a pouring spoutor channel, while eliminating dripping.

Yet another object is to provide a container adapted to be sealed in asquare or other form the top of the container being arranged for openingto expose folded portions providing a pour spout, etc.

Other objects and advantages will appear as the specification proceeds:

The invention is illustrated in preferred embodiments by the attacheddrawings in which- Figure l is a perspective view of a containerembodying my invention;

Figure 2, a view similar to Fig. l, but showing the top flap raised;

Figure 3, a perspective View of the container turned to pouringposition;

Figure 4, a broken detailed sectional view, the section being taken asindicated by line 4-4 of Fig. 1;

Figure 5, a broken detailed sectional view, the section being taken asindicated at line of Fig. 1;

Fig. 6, a top plan view of the die-cut sheet from which the container isformed;

Figure '7, a vertical section View, the section being taken as indicatedat line 'l| of Fig. 1;

Figure 8, a broken sectional view similar to Fig. 7, but showing amodified form of structure.

In the illustration given a fiat strip of paper is die-cut, as shown inFig. 6 and preferably indented to form fold lines. The other lines areindicated by solid lines in Fig. 6, while the folded lines are indicatedby the dotted lines Ill. The side walls of the container are formed bythe sides H, [2, I3 and I4 as indicated in Fig. 6 and the flaps I5 and[6 are provided for reinforcing the sealing joint. The lower flaps l1,l8, l9 and are folded to form the bottom of the container, as in usualpractice,

The top flap 2| serves an important function in providing a seal for thetop of the container.

2 This flap is provided atone end with a; cut out or aperture 22 topermit the flow of liquid there through. The flap 23 forms the top oroutside seal for the container. The flap 24 is adapted to be foldedinwardly at an intermediate point and above the adjacent flap 25. 'Theadj'aceiit' flap 25 is folded upon itself at the fold'lin'e 26. As willbe later described, the flaps 25 and 24 co operate'in forming the spoutfor the pouring of the milk, etc. and the bottom ofthe channel of thespout is the folded line 21.

I prefer to equip the flap I6 with an upper 'ex tension 28 inorder' thatthis pull flap 28 may be utilized in the opening of the container top.

The container may be folded and united by glue, Wax or by any othersealing means. The container itself may be formed of paper renderedwaterproof by plastic materials, waxes or any other well known means orit may be formed of other flexible material such as plastic sheets, etc.The flat sheet, as shown in Fig. 6 is folded upon itself as illustratedin Figs. 1 to 5 and 7 inclusive so as to form a square container and thefinished sealed container appears as shown in Fig. l. I prefer to havethe flap 23 provided with an extension 29 and with a pour pull. flap 30,as shown more clearly in Figs. 1 and 6.

The finished container may be left with the flaps 2|, 23, 24, 25 and 28extended for the fillin operation and. thereafter the flaps may befolded inwardly, first the flap 2| being brought into sealing positionWithin the container. Next the flap 25 is folded into position, the flap25 being folded upon itself. The outer fiap 23 forms the closure for thecontainer and the overlapped portion 29 provides a reinforced frontedge. The top portion or tab 28 provides a seal which at the same timecan be readily pulled to open the container. If desired, flaps 29 and 39may be omitted or may be varied in shape as desired for sealing. Theflap 29 may be slit to improve the seal.

When it is desired to open the container for pouring the milk or otherliquid, the flap 39 is grasped and drawn upwardly as shown in Fig. 2.The flap 24 is then drawn forwardly to the position shown in Fig. 3 forpouring. This causes the channel portion formed by the two flaps 24 and25 as shown in Fig. 3, to be aligned with the aperture provided in thecorner of the flap 2| so that liquid or fiowable particulate materialsmay flow readily from the container and through the spout which may beindicated as an entirety by the numeral 32 as shown in Fig. 3.

In the modification shown in Fig. 8, the structure is identical as thatheretofore described except that I have provided the lowermost flapwithin the container, namely, flap 2| a with attachment flanges 2 lb andthe attachment flanges are preferably cemented to the side walls of thecontainer, thus providing a rigid sealing wall 2 la fixed firmly to theinterior walls of the container and providing a single outlet 33.

The invention has been described by way of example, in connectionwith acontainer for milk; In the case of materials such as sugar, materialsand other materials consisting of small flowabl'e solids, it may bedesirable to vary the size or shape of the aperture 22 in flap 2|.

While in the foregoing specification, Ihave set forth a specificstructure in much detail for the purpose of illustrating one embodimentof myin-- vention, it will be understood that such details of structuremay be varied widely by those skilled in the art without departing fromthe spirit of my invention.

, Iclaim:

' 1.. A container formed from a fiat strip folded uponi'tsel'f to forman enclosure with overlap-- ping, top flaps and side walls connectedthereto, one of said top flaps fitting tightly the container interior toform a closure and having a portion thereof cut away to form a pouropening, another. of said. top flaps being folded for forming, whenraised, a channel aligned with said pour opening, a third top flapmember enclosing. said first-mentioned top flap and having a dependingtab extending. downwardly along one side wall of the container. andadjacent one edge of the side wall, saidv container having a front flapopposite the side wallconnected to said third top flap, and

a pull flap integral with said front flap of said container, extendableand foldable over said third top flap and over said first-mentioned flapand adapted to be secured to said third top flap.

2. A container formed from a flat strip folded upon itself to form anenclosure with overlapping top flaps and side walls connected thereto,one of said top flaps fitting tightly the container. interior to form. aclosure and having a corner portion thereof cut away to form a pouropening, another of said top flaps being folded intermediate its widthto form, when raised, a channel aligned with said pour opening, a thirdtop flap enclosing said first-mentioned top flap and: having a dependingtab extending downwardly along one side wall of the container andadjacent one edge of the side wall, said container REFERENCES CITED Thefollowing references. are of record in the file of this patent:

UNITED: STATES PATENTS Number Name- Date 958,707 Stafford May 17, 19101,203,924 Snyder Nov. 7, 19 16- 2,002,363 Dailler May 21-, 1-9-352,349,362 Marshall May 23, 1944 2,393,758 Downing Jan. 29, 1946

